PartialHashtree
using Org.BouncyCastle.Utilities;
using System;
namespace Org.BouncyCastle.Asn1.Tsp
{
public class PartialHashtree : Asn1Encodable
{
private readonly Asn1Sequence m_values;
public virtual int ValueCount => m_values.Count;
public static PartialHashtree GetInstance(object obj)
{
if (obj == null)
return null;
PartialHashtree partialHashtree = obj as PartialHashtree;
if (partialHashtree != null)
return partialHashtree;
return new PartialHashtree(Asn1Sequence.GetInstance(obj));
}
public static PartialHashtree GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new PartialHashtree(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
public static PartialHashtree GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new PartialHashtree(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
}
private PartialHashtree(Asn1Sequence values)
{
for (int i = 0; i != values.Count; i++) {
if (!(values[i] is Asn1OctetString))
throw new ArgumentException("unknown object in constructor: " + Platform.GetTypeName(values[i]));
}
m_values = values;
}
public PartialHashtree(params byte[][] values)
{
m_values = DerSequence.Map(values, DerOctetString.FromContents);
}
public virtual byte[][] GetValues()
{
return m_values.MapElements((Asn1Encodable element) => Arrays.Clone(Asn1OctetString.GetInstance(element).GetOctets()));
}
public virtual bool ContainsHash(byte[] hash)
{
foreach (Asn1OctetString value in m_values) {
byte[] octets = value.GetOctets();
if (Arrays.FixedTimeEquals(hash, octets))
return true;
}
return false;
}
public override Asn1Object ToAsn1Object()
{
return m_values;
}
}
}